import React from 'react';
import Document, { Head, Main, NextScript, Html } from 'next/document';
import { ServerStyleSheet } from 'styled-components';
import FavIcon from '../common/src/assets/image/favicon.png';

export default class CustomDocument extends Document {
  static async getInitialProps(ctx) {
    const sheet = new ServerStyleSheet();
    const originalRenderPage = ctx.renderPage;

    try {
      ctx.renderPage = () =>
        originalRenderPage({
          enhanceApp: (App) => (props) =>
            sheet.collectStyles(<App {...props} />)
        });

      const initialProps = await Document.getInitialProps(ctx);
      return {
        ...initialProps,
        styles: (
          <>
            {initialProps.styles}
            {sheet.getStyleElement()}
          </>
        )
      };
    } finally {
      sheet.seal();
    }
  }
  render() {
    return (
      <Html lang="en">
        <Head>
          <link rel="shortcut icon" type="image/x-icon" href={FavIcon} />

          {!!process.env.gSiteVer && (
            <meta
              name="google-site-verification"
              content={process.env.gSiteVer}
            />
          )}
        </Head>
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}
